What is global warming?

Question

What is global warming?

Answer 1

Isn't it just the heating of the earth temperature cause of pollution making the green house affect thicker, and thus letting more heat in, but very little out?

Answer 2

A natural cycle of earth. Many ice ages have come and gone. The earth changes and never stays the same.

Answer 3

It's the long-term rise in the earth's overall average temperature.

Speculation as to what's causing it and everything is just that: speculation. No one knows, for certain, what's causing it, but the initial definition I just gave is what, exactly, it is.

Answer 4

it's cooking live fish on ovan...don't u know that?

Answer 5

Global warming is the increase in the average temperature of the Earth's near-surface air and oceans since the mid-twentieth century, and its projected continuation.......For more information try

http://en.wikipedia.org/wiki/Global_warm...

Answer 6

global warming is when the suns rays come down from the sun and warm up the earth. but since we have been treating the earth to unfairly like driving too much we have made ozone layer around the earth too thick and the suns rays can not come out and it heats the earth up.